Home / 753,627.97-1,040,064.47-431,439.13

Finding the Fourth Proportional to 753,627.97, 1,040,064.47 and 431,439.13

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Solution

The fourth proportional to 753,627.97, 1,040,064.47 and 431,439.13 is: 595,419.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,627.97 : 1,040,064.47 = 431,439.13 : x
  2. Step 2: Convert to fraction form
    753,627.97/1,040,064.47 = 431,439.13/x
  3. Step 3: Cross multiply
    753,627.97x = 1,040,064.47 × 431,439.13
  4. Step 4: Simplify right side
    753,627.97x = 448,724,510,080.71
  5. Step 5: Solve for x
    x = 448,724,510,080.71/753,627.97
  6. Step 6: Final answer
    x = 595,419.13

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.